AEWA beach bird birding birds Calidris alba coast Incredible India India migrant migratory rest resting rocks Sanderlings splash surf water bird watch Charadrius alexandrinus karnataka Kentish Plover Mangalore migratory birds Panambur Shore Birds wader anticipate Ciconia episcopus Ciconiidae eat eco forage forest jungle Mulky nature peace quiet search sharp soaring bird stork timing wading bird wild Woolly-necked Stork krayker animal Ardea modesta Ardeidae beak beautiful beauty cuk cuk cuk Eastern Great Egret egret eye feather female garden great green Heron leaf life marine nest nesting outdoor plant preen spring stand summer tail wetland white wildlife wing kōtuku